DNA polymerases need a primer oligonucleotide (RNA or DNA) - their substrates are an existing 3'-OH group and a dNTP. The primase however is a typical RNA polymerase, capable of initiating polynucleotide synthesis de novo by positioning a complementary ribonucleoside 5'-triphosphate opposite its complementary DNA base.
Alison Schapker. Alison Schapker is an American television writer and producer. She is well known for her work on the ABC espionage series Alias and for the FOX science-fiction series Fringe.
Eric Schlosser. Eric Matthew Schlosser (born August 17, 1959) is an American journalist and author known for investigative journalism, such as in his books Fast Food Nation (2001), Reefer Madness (2003), and Command and Control: Nuclear Weapons, the Damascus Accident, and the Illusion of Safety (2013).